8 people are the primary owner of at least one file in causalens/dara, and Krzysztof Bielikowicz owns the most: 2,966 files, or 99% of the codebase. The truck factor is 1: that is how few people would have to leave before the majority of owned files lose their owner. 2,819 files have exactly one contributor, and 4 modules are dominated by a single person.